<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="js/lib/jquery.js"></script>
		<script>
		function changecheckbox(){
			var a=$("li[value=1]");
			a.hide();
		}
		</script>
	</head>
	<body>
		<li value="1">1:<input type="checkbox"/></li>
		<li value="2">2:<input type="checkbox"/></li>
		
		<button type="button" onclick="changecheckbox()">change checkbox</button>
	</body>
</html>
